﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Upload.aspx.cs" Inherits="WebApplication2.Web.Upload" %>

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>上传图片</title>
    <link href="../lib/layui/css/layui.css" rel="stylesheet" />
    <script src="../../lib/layui/layui.js"></script>
    <link href="../../css/font.css" rel="stylesheet" />
    <link href="../../css/xadmin.css" rel="stylesheet" />
    <script src="../../js/jquery-3.2.1.min.js"></script>
    <script src="../js/xadmin.js"></script>
    <script src="../js/public.js"></script>
    <script src="../../js/xadmin.js"></script>
    <script src="../js/cookie.js"></script>
</head>
<body>

    <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
        <legend>高级应用：制作一个多文件列表</legend>
    </fieldset>


    <div class="layui-upload">
        <div class="layui-upload-drag" id="testList">
            <i class="layui-icon"></i>
            <p>点击上传，或将文件拖拽到此处</p>
        </div>
    </div>

    <div class="layui-upload-list">
        <table class="layui-table">
            <thead>
                <tr>
                    <th>文件名</th>
                    <th>大小</th>
                    <th>状态</th>
                    <th>操作</th>
                </tr>
            </thead>
            <tbody id="demoList"></tbody>
        </table>
    </div>

    <blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
        预览图：
           <div class="layui-upload-list" id="demo2"></div>
    </blockquote>

    <button type="button" class="layui-btn" id="testListAction">开始上传</button>
    <script>
        layui.use('upload', function () {
            var $ = layui.jquery
                , upload = layui.upload;

            //多文件列表示例
            var demoListView = $('#demoList')
                , uploadListIns = upload.render({
                    elem: '#testList'
                    , url: '/upload/'
                    , accept: 'file'
                    , multiple: true
                    , auto: false
                    , bindAction: '#testListAction'
                    , choose: function (obj) {
                        var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                        //读取本地文件
                        obj.preview(function (index, file, result) {
                            $('#demo2').append('<img src="' + result + '" alt="' + file.name + '" class="layui-upload-img">')
                            var tr = $(['<tr id="upload-' + index + '">'
                                , '<td>' + file.name + '</td>'
                                , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>'
                                , '<td>等待上传</td>'
                                , '<td>'
                                , '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                                , '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                                , '</td>'
                                , '</tr>'].join(''));

                            //单个重传
                            tr.find('.demo-reload').on('click', function () {
                                obj.upload(index, file);
                            });

                            //删除
                            tr.find('.demo-delete').on('click', function () {
                                delete files[index]; //删除对应的文件
                                tr.remove();
                                //删除预览图中的文件
                                $(this).parent.remove();
                                uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                            });

                            demoListView.append(tr);
                        });
                    }
                    , done: function (res, index, upload) {
                        if (res.code == 0) { //上传成功
                            var tr = demoListView.find('tr#upload-' + index)
                                , tds = tr.children();
                            tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                            tds.eq(3).html(''); //清空操作
                            return delete this.files[index]; //删除文件队列已经上传成功的文件
                        }
                        this.error(index, upload);
                    }
                    , error: function (index, upload) {
                        var tr = demoListView.find('tr#upload-' + index)
                            , tds = tr.children();
                        tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                        tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
                    }
                });

        });
    </script>


</body>
</html>
